.tab{
    margin:0 auto;
    position:relative;
     overflow: scroll;
    z-index:1;
    width: 100%;
    background: #ffffff;}
.tab_ul{
    position:relative;
    width:100%;
    z-index:1;
    display:-webkit-box;
    display:-moz-box;
    display:-ms-flexbox;
    display:-webkit-flex;
    display:flex;
    -webkit-transition-property:-webkit-transform;
    -moz-transition-property:-moz-transform;
    -o-transition-property:-o-transform;
    -ms-transition-property:-ms-transform;
    transition-property:transform;
    -webkit-box-sizing:content-box;
    -moz-box-sizing:content-box;
    box-sizing:content-box;}
.tab_div{
    float:left;
    -webkit-flex-shrink:0;
    -ms-flex:0 0 auto;
    flex-shrink:0;
    position:relative;
    text-align: center;
    display: inline-block;
    background: #fff;
    font-size: 15px;
    color: #333333;
       width: auto;
    margin: 0 3%;
    height: 45px;
    line-height: 45px;
    border-bottom: 2px solid #fff;
    text-align: center;
    cursor: pointer;}
.tab .selectedl {
    color: #01622f;
    border-bottom-color: #01622f;}